212437023988 has 12 divisors (see below), whose sum is σ = 424874048032. Its totient is φ = 91044438840.

The previous prime is 212437023983. The next prime is 212437023991. The reversal of 212437023988 is 889320734212.

212437023988 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212437023983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793518258 + ... + 3793518313.

Almost surely, 2^212437023988 is an apocalyptic number.

212437023988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212437023988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212437023988 is a wasteful number, since it uses less digits than its factorization.

212437023988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587036582 (or 7587036580 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 212437023988 in words is "two hundred twelve billion, four hundred thirty-seven million, twenty-three thousand, nine hundred eighty-eight".